Examples of net.sf.joafip.store.entity.garbage.ReferenceLink

Package net.sf.joafip.store.entity.garbage

Examples of net.sf.joafip.store.entity.garbage.ReferenceLink

net.sf.joafip.store.entity.garbage.ReferenceLink
used to store link between reference and referenced object knowing referenced object data record identifier
it is possible to have an object can reference an other more than one time
@author luc peuvrier

      ReferenceLinkGarbageException {
    for (int[] numberOfRefDef : numberOfReferencingList) {
      final DataRecordIdentifier referencedDataRecordIdentifier =
      /**/newDataRecordIdentifier(numberOfRefDef[0]);
      final int expectedNumberOfReferencing = numberOfRefDef[1];
      final ReferenceLink referenceLink = linkRecordManager
          .searchByReferenced(referencedDataRecordIdentifier);
      assertNotNull("reference link must exist for "
          + referencedDataRecordIdentifier, referenceLink);
      final int numberOfReferencing = referenceLink
          .getNumberOfReferencing();
      assertEquals("bad number of referencing",
          expectedNumberOfReferencing, numberOfReferencing);
    }
  }

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        .getReferencingForReferenced(referencedDataRecordIdentifier);


    assertEquals(BAD_SIZE, 1, list.size());
    assertEquals("bad value", referencingDataRecordIdentifier, list.get(0));


    ReferenceLink referenceLink = linkRecordManager
        .searchByReferenced(referencedDataRecordIdentifier);
    int linkCount = referenceLink
        .getLinkCount(referencingDataRecordIdentifier);
    assertEquals("bad link count", 2, linkCount);


    removeReferenceLink(referencingDataRecordIdentifier,
        referencedDataRecordIdentifier);


    list = linkRecordManager
        .getReferencingForReferenced(referencedDataRecordIdentifier);


    assertEquals(BAD_SIZE, 1, list.size());


    referenceLink = linkRecordManager
        .searchByReferenced(referencedDataRecordIdentifier);
    linkCount = referenceLink.getLinkCount(referencingDataRecordIdentifier);
    assertEquals("bad link count", 1, linkCount);


  }

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   */
  private void appendOrUpdateReferenceLink(
      final DataRecordIdentifier referencingDataRecordIdentifier,
      final DataRecordIdentifier referencedDataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final ReferenceLink referenceLink = linkRecordManager
        .searchByReferenced(referencedDataRecordIdentifier);
    if (referenceLink == null) {
      final ReferenceLink newReferenceLink = new ReferenceLink(
          referencedDataRecordIdentifier);
      newReferenceLink
          .updateLinkCount(referencingDataRecordIdentifier, 1);
      linkRecordManager.appendNewReferenceLink(newReferenceLink);
    } else {
      referenceLink.updateLinkCount(referencingDataRecordIdentifier, 1);
      linkRecordManager.updateReferenceLink(referenceLink);

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  private boolean removeReferenceLink(
      final DataRecordIdentifier referencingDataRecordIdentifier,
      final DataRecordIdentifier referencedDataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final boolean removed;
    final ReferenceLink referenceLink = linkRecordManager
        .searchByReferenced(referencedDataRecordIdentifier);
    if (referenceLink.getNode() == null) {
      removed = false;
    } else {
      referenceLink.updateLinkCount(referencingDataRecordIdentifier, -1);
      if (referenceLink.getNumberOfReferencing() == 0) {
        linkRecordManager.deleteReferenceLink(referenceLink);
      }
      removed = true;
    }
    return removed;

View Full Code Here

  private void unlinkToReferenced(
      final DataRecordIdentifier referencingDataRecordIdentifier,
      final DataRecordIdentifier[] referencedList)
      throws GarbageException, ReferenceLinkGarbageException {
    for (DataRecordIdentifier referencedDataRecordIdentifier : referencedList) {
      final ReferenceLink referenceLink = linkRecordManager
          .searchByReferenced(referencedDataRecordIdentifier);
      if (referenceLink != null) {
        referenceLink.updateLinkCount(referencingDataRecordIdentifier,
            -1);
        if (referenceLink.getNumberOfReferencing() == 0) {
          /* if number of link is zero then it is to garbage */
          linkRecordManager.deleteReferenceLink(referenceLink);
          garbageCandidateRecordManager
              .removeCandidate(referencedDataRecordIdentifier);
          addToGarbage(referencedDataRecordIdentifier);

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  }


  private void removeLink(final DataRecordIdentifier referencing,
      final DataRecordIdentifier referenced) throws GarbageException,
      ReferenceLinkGarbageException {
    final ReferenceLink referenceLink = linkRecordManager
        .searchByReferenced(referenced);
    if (referenceLink != null) {
      referenceLink.decrementLinkCount(referencing);
      linkRecordManager.updateReferenceLink(referenceLink);
    }
  }

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   * @throws ReferenceLinkGarbageException
   */
  public ReferenceLink searchByReferenced(
      final DataRecordIdentifier referencedDataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final ReferenceLink referenceLink = new ReferenceLink(
        referencedDataRecordIdentifier);
    final GarbageReferenceLinkRBTNode node;
    final ReferenceLink foundReferenceLink;
    try {
      node = /**/(GarbageReferenceLinkRBTNode) garbageReferenceLinkTree
          .search(referenceLink);
      if (node == null) {
        foundReferenceLink = null;

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   * @throws ReferenceLinkGarbageException
   */
  public void removeLink(
      final DataRecordIdentifier referencedDataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final ReferenceLink referenceLink =
    /**/searchByReferenced(referencedDataRecordIdentifier);
    /* can be already erased for to garbage */
    if (referenceLink.getNode() != null) {
      deleteReferenceLink(referenceLink);
    }
  }

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   * @throws ReferenceLinkGarbageException
   */
  public void removeLinkIfExist(
      final DataRecordIdentifier referencedDataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final ReferenceLink referenceLink =
    /**/searchByReferenced(referencedDataRecordIdentifier);
    if (referenceLink != null) {
      deleteReferenceLink(referenceLink);
    }
  }

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   * @throws ReferenceLinkGarbageException
   */
  public boolean isReferenced(final DataRecordIdentifier dataRecordIdentifier)
      throws GarbageException, ReferenceLinkGarbageException {
    final boolean isReferenced;
    final ReferenceLink referenceLink = new ReferenceLink(
        dataRecordIdentifier);
    try {
      isReferenced = (GarbageReferenceLinkRBTNode) garbageReferenceLinkTree
          .search(referenceLink) != null;
    } catch (RBTException exception) {

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net.sf.joafip.store.service.garbage.recordmgr.TestLinkRecordManager

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